<p><it>Editor's note:</it></p><p>Computational fluid dynamics is a classical problem in high-performance computing. In order to make use of an existing code base in this field, the use of high-level design tools is an imperative. The authors explore the use of the Impulse C design tools for a Navier-Stokes implementation.</p><p align="right"><it>&#x2014;George A. Constantinides (Imperial College London) and Nicola Nicolici (McMaster University)</it></p>